Question: Who was the spouse of Honoré de Balzac in the year 1850?
Paraphrase: Mention the spouse name of Honore de Balzac in the year 1850?.
SPARQL (Wikidata): SELECT ?obj WHERE { wd:Q9711 p:P26 ?s . ?s ps:P26 ?obj . ?s pq:P580 ?x filter(contains(YEAR(?x),'1850')) }